Home / 5,021.19-6,929.46-3,339.90

Finding the Fourth Proportional to 5,021.19, 6,929.46 and 3,339.90

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Solution

The fourth proportional to 5,021.19, 6,929.46 and 3,339.90 is: 4,609.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,021.19 : 6,929.46 = 3,339.90 : x
  2. Step 2: Convert to fraction form
    5,021.19/6,929.46 = 3,339.90/x
  3. Step 3: Cross multiply
    5,021.19x = 6,929.46 × 3,339.90
  4. Step 4: Simplify right side
    5,021.19x = 23,143,703.45
  5. Step 5: Solve for x
    x = 23,143,703.45/5,021.19
  6. Step 6: Final answer
    x = 4,609.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.